{% extends "admin/change_form.html" %}

{% block extrahead %}

    {{ block.super }}

    <script>
        (function($) {

            $(document).ready(function ($) {
                jQuery('.duration').inputmask('99:99', {numericInput: true, removeMaskOnSubmit: true});
            });

        })(django.jQuery);
    </script>
{% endblock extrahead %}

